permeate

[pur-mee-eyt]

verb (used with object), per·me·at·ed, per·me·at·ing.

to pass into or through every part of: Bright sunshine permeated the room.
to penetrate through the pores, interstices, etc., of.
to be diffused through; pervade; saturate: Cynicism permeated his report.

verb (used without object), per·me·at·ed, per·me·at·ing.

to become diffused; penetrate.

Nearby words

  1. permeable,
  2. permeameter,
  3. permeance,
  4. permeant,
  5. permease,
  6. permeation,
  7. permian,
  8. permic,
  9. permie,
  10. permillage

Origin of permeate

1650–60; < Latin permeātus past participle of permeāre to pass through. See per-, meatus

Related forms
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for permeated


British Dictionary definitions for permeated

permeate

verb

to penetrate or pervade (a substance, area, etc)a lovely smell permeated the room
to pass through or cause to pass through by osmosis or diffusionto permeate a membrane
Derived Formspermeation, nounpermeative, adjective

Word Origin for permeate

C17: from Latin permeāre, from per- through + meāre to pass

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for permeated

permeate

v.

1650s, from Latin permeatus, past participle of permeare "to pass through" (see permeable). Related: Permeated; permeating.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for permeated

permeate

[pûrmē-āt′]

v.

To spread or flow throughout; pervade.
To pass through the openings or interstices of, as a liquid through a membrane.

n.

One that can permeate.
Related formsperme•ant (-ənt) null adj.


The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.